Heater fan



FIG. 1 is a top, front and left side perspective view of a heater fanshowing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a right side elevational view thereof, the left side being amirror image of that shown.

The ornamental design for a heater fan, as shown and described.